ways hackers pretend to be another person

How is blockchain a secure method for storing information?

data cannot be changed once it is approved

With Bitcoin, why is it impossible to change the ledger?

info is encrypted with cryptography

With cryptocurrency, what happens to a block that is rejected?

becomes orphan block and goes back to the start

In a blockchain, what happens if someone has messed with the data?

some nodes will have different information

In blockchains, what happens if data in a block changes?

a different hash is generated automatically

How did Bitcoin solve the problem of double spending?

decentralized ledger so everyone can check amounts

What is computer vision?

training computers to identify what's in pictures or videos

What is the Internet of Things?

when things can connect with other things and networks using the Internet

What does the communication hardware in an IoT device do?

transmits info to a central hub

Which is a disadvantage of IoT?

won't work if internet goes off

brain understands distance from different images of each eye

Bitcoin was the first company to...

allow peer-to-peer transactions without a bank

Which is not a downside of cryptocurrency?

people don't invest in cryptocurrency

using links to put malware on a computer

Miners will keep trying to guess the nonce until they find one that is...

equal or less than a set target line

How do computer viruses work?

make tons of copies of themselves and cause problems

What is a cyber attack?

when someone tries to steal your info online

The company Osso launched a VR system. What did it do?

allowed surgeons to practice dangerous surgeries

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ASC - Engineering and Technology

100 termsStudBud Administration13 plays

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Questions 100

Answers

1
When did the Virtuality system come to video game arcades?
1990
2001
1991
2000
2
What can Smart shoes do?
tie your laces
collect data about your body temperature
track foot pressure
prevent odour
3
What is cybersecurity all about?
protecting website from people who want to steal
stealing information
keeping online stuff safe
connecting your device to safe places
4
Bitcoin has no value compared to standard national currencies.
TRUE
FALSE
5
When it comes to cryptocurrency, how do nodes decide whethere data is valid in a block?
they create complicated mathematical codes
they look for red flags in the transaction
they send messages to everyone
they vote
6
Which is an example of phishing?
pretending to be your bank
downloading malware onto your computer
making many copies of a virus
stealing your diary
7
All IoT devices must have acces to ____ in order to function.
secure password
sensors
computer
the internet
8
What did NASA use VR technology for?
exploring the moon
visualizing space
training astronauts
developing video games
9
What is the name of the system this first VR used?
3D coding
panorama
stereoscopic
audio-video
10
What is phishing?
fake emails
another word for cyber security
using a fake email address
ways hackers pretend to be another person
11
How is blockchain a secure method for storing information?
many blocks are rejected if there's too much currency
no hackers can break the secure code
nodes never have to agree on valid data
data cannot be changed once it is approved
12
What do we call someone who steals info by breaking into computer networks?
cyber attackers
fradulent hacks
hacker
cyber breachers
13
With Bitcoin, why is it impossible to change the ledger?
only the founder has access
info is encrypted with cryptography
password protected
no one has access
14
Which is the most familiar stereoscope?
Stereomaster
View-Master
Virtuosity
Virtual Boy
15
Places use SHA-256 to verify...
usernames
products
identities
code
16
When mining Bitcoin, what does the first miner to guess the correct nonce get?
validates the transaction
payment in the form of Bitcoin
all of the above
closes the block
17
VR systems can help with climate change when it comes to travelling.
FALSE
TRUE
18
Which system in an IoT can wear out?
none of these parts
sensors
user interface
central hub
19
What could the wearer explor with the first VR headset?
a virtual school
the entire globe
a virtual continent
a virtual room
20
How can wearables improve people's lives?
contact ambulance if someone falls
all of the above
monitor heart rate and send info to doctor
alrt police if someone with Alzheimer's has wandered
21
With cryptocurrency, what happens to a block that is rejected?
becomes orphan block and goes back to the start
becomes highlighted and sent to the police
removed from the system and destroyed
the block is fixed
22
Who incided the first VR headset?
Imad Sotherground
Ivan Sutherland
Ivan Howard
Vim Realiti
23
In a blockchain, what happens if someone has messed with the data?
some nodes will have different information
the person will be banned from using cryptocurrency
an alarm system will be set off
all the nodes will have the same information
24
What type of personal information do people store on the internet?
addresses
passwords
social insurance numbers
all of the above
25
In blockchains, what happens if data in a block changes?
a different hash is generated automatically
the hash is deleted
the block is still approved
the block disappears
26
How many transactions can Bitcoin process per second?
1 000
50
7
24 000
27
How did Bitcoin solve the problem of double spending?
decentralized ledger so everyone can check amounts
moderators to check the ledger
encrypted coins
numerous websites checking the transations
28
What is computer vision?
using computers for security
training computers to identify what's in pictures or videos
training computers to troubleshoot
sensors that view the environment
29
Bitcoin supply is...
rare
limited
overflowing
unlimited
30
What ability does every Internet of Things device have?
Answer 1 and 2
download apps
receive data
transfer data
31
Ninetendo was the first gaming company to do what?
make VR available at home
invent a VR system
create VR games
make an afforable VR device
32
What is the Internet of Things?
another word for a wifi connection
another word for the world wide web
when things can connect with other things and networks using the Internet
all objects that can be purchased on the internet
33
What does the communication hardware in an IoT device do?
sends information to the sensors
transmits internet throughout the device
checks to ensure the device is working properly
transmits info to a central hub
34
What is the name of the VR system that Nintendo released in 1995?
Virtual World
Virtual Boy
Nintendo VR
Game Boy
35
Buttons allow you to move your head around to see every direction of the virtual world.
FALSE
TRUE
36
Which is a disadvantage of IoT?
won't work if internet goes off
makes tasks for difficult
device often needs reprogramming
information can easily be lost
37
What is stereopsis?
brain being able to see similar images in both eyes
brain unable to understand distance between objects
brain understanding sound and sight
brain understands distance from different images of each eye
38
Bitcoin was the first company to...
create printable money
to create a digital bank
first peer-to-peer version of cybersecurity
allow peer-to-peer transactions without a bank
39
Which is not a downside of cryptocurrency?
people don't invest in cryptocurrency
slow transactions
lots of computer power needed
the government does not protect cryptocurrency
40
What is clickbait?
using links to put malware on a computer
downloading a virus
getting people to keep watching your videos
clicking on dangerous files on your computer
41
The SHA-256 hash generator creates string that can be decoded.
FALSE
TRUE
42
Name for putting different images in each eye and blocking out everything else to see depth.
stereoscopy
binocular
stereopsis
none of the above
43
Which country considers cryptocurrency to be legally acceptable?
Canada
England
Mexico
El Salvador
44
Backing up your files can help in the case of a ransomware attack.
TRUE
FALSE
45
For Bitcoin, the chains connect only ____ transcations.
unverified
open
approved
blocked
46
In cryptcurrency, what do all blocks contain?
two chains
a node
header with informatiom
a secure lock
47
Miners will keep trying to guess the nonce until they find one that is...
equal or less than a set target line
equal to a target line
way below a target line
more than a target line
48
How do computer viruses work?
all of the above
spread by deleting information from your computer
make tons of copies of themselves and cause problems
delete passwords from different computers
49
What is a cyber attack?
when cyber bullies attack people online
when someone tries to steal your info online
when computers are not safe on wifi
when your password is put on a website
50
The company Osso launched a VR system. What did it do?
allowed surgeons to practice dangerous surgeries
allowed users to fly a plane
all of the above
allowed people to experience working in a hospital
51
Who dreamed up the system of Bitcoin?
Satoshi Nakamoto
Nakamoto Satsh
Sashimi Nakamoto
Sasha Nakamoto
52
Anyone who asks four your password is probably...
the government
a hacker
your bank
trying to help you
53
More miners means a safer system with less fraud.
FALSE
TRUE
54
What does antivirus software do?
makes it completely impossible for your to get a virus
changes your password to make them stronger
makes it hard for a virus to infect your device
deleted dangerous files from your computer
55
What does a cryptocurrency miner do to check a block?
creates a new nonce
makes new math equations
looks at the hash
combines list of transactions with the nonce
56
Which jobs use VR for training?
working on an oil rig
welding
takign care of wind turbines
all of the above
57
Only the government is responsible for keeping your information safe.
FALSE
TRUE
58
VR was used to train people for which types of jobs?
exciting
rare
dangerous
difficult
59
An Internet of Things device is also know as a...
Apple Watch
Wifi device
Smart device
Internet Device
60
What happened to a user when they used this first VR device?
all of the above
feel wind
hear sounds
experience smells
61
What is blockchain?
chains that connect blocks of digital coins
a form of cyber attack
the technology behind cryptocurrency
a virus that infects your computer
62
Money moves more quickly with cryptocurrency.
FALSE
TRUE
63
What is like a fingerprint for an IoT device?
data crumbs
sensors
communication hardware
own unique identifier (IUD)
64
Blockchair is used to protect other types of digital data.
TRUE
FALSE
65
When it comes to cryptocurrency, what is a hash?
all of the above
a digtal signature
information included in the header of a block
unique set of numbers and letters
66
How did the Virtuality system work?
Players sat in pods with headsets
Players plugged a controller into a special machine
Players hooked up to wires on their head and arms
Players placed their faces in a machine
67
What is a ransomware attack?
when your information is given to other companies
when you need to pay for more security on your computer
when hackers ask for money in return for your info
when hackers are violent
68
When it comes to approving a cryptocurrency transaction, what is a node?
a network of wifi connections
any computer that reviews a transaction in an open block
an open block that needs approval
the central sysem that overseens crytocurrency
69
When is World Backup day?
March 31st
April 10th
there is no such thing
March 30th
70
What does a bank represent?
centralized way of controlling money
decentralized system of keeping money
a way to get your hand son cryptocurrency
a digital money system
71
IoT devices are easy to repair on your own.
FALSE
TRUE
72
Which list of systems is correct for an IoT device?
sensors, data processors, camera
sensors, fingerprinting, UID
sensors, fingerprint, camera
sensors, UID, user interface
73
Your school computer has enough power to come up with a correct nonce very quickly.
FALSE
TRUE
74
Smart farming is not environmentally friendly.
FALSE
TRUE
75
Bitcon has collectable coins.
FALSE
TRUE
76
Updates often fix...
glitches in your computer
none of the above
security holes
malware on your device
77
What happened with the Argus II eye implant?
the sensors stopped working
personal information was stolen
the central hub malfunctioned so it stopped working
code wasn't updated so it stopped working
78
How does cryotocurrency relate to climate change?
produces a large amount of greenhouse gases
uses many computers
requires a lot of electricity
all of the above
79
When did cryptocurrency first start?
October 31, 2020
October 31, 2000
October 1, 2008
October 31, 2008
80
A strong password can protect your from hackers.
FALSE
TRUE
81
What is firmware?
security programs
tells devices what to do and how
all the code for a program
spyware that can get onto a smart device
82
What is cryptography?
code used to protect cryptocurrency
protecting information using mathematics
the website for cryptocurrency
writing code to protect the bank
83
Who wrote a story with a house similar to a Smart home?
Ray Bradbury
Charles Dickens
Steve Jobs
Elon Musk
84
What is spatial audio?
adjusting volume to make something sound closer/farther
helps the brain process images and direction
volume in each simulates sounds from different directions
all of the above
85
In a VR headset, what do gyroscopes do?
let the system know which was the head is pointing
connect to real life maps to place the user in the world
allow the headset to display depth
measure distance
86
Which companies have started training front-line employees using VR?
Nintendo and Playstation
FedEx and Loblaws
World Health Organization
WalMart and FedEx
87
Where can you buy cryptocurrency?
through Paypal
on your bank's website
at a foreign money exchange store
at any retailer
88
When did the term "virtual reality" become associated with immersive environments?
1980s
1960s
1990s
2000
89
Which information described malware?
used to steal your stuff
computer programs
all of the above
computer viruses
90
When hackers change the language of your infor and ask you to pay to change it back.
encryption attack
locker attack
phishing
ransomware
91
What does Smart home technology allow you to do?
have wifi all over your home
automate tasks around the house
collect data about your house
protect devices in your home from cyber attacks
92
Nowadays. VR systems are cheaper because the video game industry has shown renewed interest.
FALSE
TRUE
93
What is vertigo?
a feeling that you or the world is spinning when you're not
feeling sick after moving up and down
feeling dizzy after too much movement
having visions issues after too much movement back and forth
94
What is the price range for a VR set?
fifty to a hundred dollars
one thousand to ten thousand dollars
ten thousand to twenty thousand dollars
several hundred to more than a thousand dollars
95
What is the difference between a modern and older VR system?
modern no longer include a headset
modern show video instead of still images
mordern use still images instead of videos
modern have better quality graphics
96
What does the governent need to do to protect you from hackers?
control companies
block systems
change your passwords
pass laws against hacking
97
Humans have sensors.
FALSE
TRUE
98
What does it mean to be a decentralized system?
all of the above
everyone keeps the ledger safe
there is no organization in the middle
everyone makes sure the ledger is accurate
99
How many Bitcoins are there that can be mined?
1 thousand
50 million
2 million
21 million
100
What is cryptocurrency?
digital currency where transations are not checked
digital currency with a centralized system
digital currency with a shared ledger
digital currency that the bank can control

ASC - Engineering and Technology Flashcards | StudBud